How popular is Ambroise?

Ambroise is an uncommonly occurring first name for men but a very prominent surname for all people (#31202 out of 150436, Top 21%). (2000 U.S. DEMOGRAPHICS)

Which version is better?

Ambrose(#1589 FROM RECENT DATA) is the only prominent related form of Ambroise (OUTSIDE TOP 2000). Adoption of this relation of Ambroise was well-received among parents in the 1890s and is now much less, with Ambrose becoming less fashionable. (TOP 2000 NAMES, 2015)